red degeneration

red de·gen·er·a·tion

obsolete term for necrosis, with staining by hemoglobin, which may occur in uterine myomas, especially during pregnancy; marked by softening and a red color resembling partly cooked meat.
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29,30) Red degeneration describes the hemorrhagic necrosis of a rapidly enlarging fibroid due to venous thrombosis of peripheral vessels or rupture of supplying arteries.
32, 33) Conversely, fibroids undergoing red degeneration demonstrate heterogeneous T1 and T2-weighted hyperintensity depending on the degree of hemorrhage and necrosis (Figure 4).
4) Differential diagnoses to be considered include: pyometra, tubo-ovarian abscess, red degeneration of leiomyoma, or septic abortion.
Pregnancy induced changes like red degeneration, hyaline degeneration and cystic degeneration were noted.
The result: various forms of degeneration, including hyaline or myxoid degeneration, calcification, cystic degeneration, and red degeneration (infarction of fibroid during pregnancy).
A condition called cone red degeneration threatened to rob him of his already failing sight and reorganisation at the BBC meant he could lose his job.
When draining veins become obstructed, hemorrhagic infarction or so called red degeneration ensues.
In most cases of red degeneration, ultrasound findings reveal cystic spaces in the myomas.
The majority of fibroids are asymptomatic, but one-third may grow in pregnancy and cause pain which is managed conservatively, however severe localized abdominal pain can occur if a fibroid undergoes red degeneration, torsion or impaction.
As leiomyomas enlarge, they outgrow their blood supply, which may lead to one of many types of degeneration such as hyaline degeneration (most common, 63%), red degeneration, fatty changes, and calcification, which is most commonly seen in post-menopausal women.
As leiomyomas enlarge, they may outgrow their blood supply, resulting in various types of degeneration: hyaline or myxoid degeneration, calcification, cystic degeneration, or red degeneration (11).
Red degeneration occurs predominantly during pregnancy [21, 22], one of our cases was diagnosed during pregnancy and hysterectomy was done after elective caesarean section.